CentOS 7
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OpenStack Train : インスタンスを起動する2019/10/25

 
仮想マシンインスタンスを起動します。
[1] Openstack を利用したい任意のユーザーでログインし、Openstack 認証用の設定ファイルを作成して、仮想マシンインスタンスを作成/起動します。 認証ファイル中のプロジェクト名やユーザー名/パスワードは Keystone に登録したものを指定します
[cent@dlp ~]$
vi ~/keystonerc
export OS_PROJECT_DOMAIN_NAME=default
export OS_USER_DOMAIN_NAME=default
export OS_PROJECT_NAME=hiroshima
export OS_USERNAME=serverworld
export OS_PASSWORD=userpassword
export OS_AUTH_URL=http://10.0.0.30:5000/v3
export OS_IDENTITY_API_VERSION=3
export OS_IMAGE_API_VERSION=2
export PS1='[\u@\h \W(keystone)]\$ '
[cent@dlp ~]$
chmod 600 ~/keystonerc

[cent@dlp ~]$
source ~/keystonerc

[cent@dlp ~(keystone)]$
echo "source ~/keystonerc " >> ~/.bash_profile
# 利用可能な flavor 確認

[cent@dlp ~(keystone)]$
openstack flavor list

+----+----------+------+------+-----------+-------+-----------+
| ID | Name     |  RAM | Disk | Ephemeral | VCPUs | Is Public |
+----+----------+------+------+-----------+-------+-----------+
| 0  | m1.small | 2048 |   10 |         0 |     1 | True      |
+----+----------+------+------+-----------+-------+-----------+

# 利用可能なイメージ確認

[cent@dlp ~(keystone)]$
openstack image list

+--------------------------------------+---------+--------+
| ID                                   | Name    | Status |
+--------------------------------------+---------+--------+
| c742c8ed-9d0f-4555-9844-7f063a0b585f | CentOS7 | active |
+--------------------------------------+---------+--------+

# 利用可能なネットワーク確認

[cent@dlp ~(keystone)]$
openstack network list

+--------------------------------------+------------+--------------------------------------+
| ID                                   | Name       | Subnets                              |
+--------------------------------------+------------+--------------------------------------+
| 7ee2f2bc-b93c-4c09-8d7e-ea8b3f0a1d9d | sharednet1 | dc8ecae8-5536-4fe4-a4ed-52af28bbae34 |
+--------------------------------------+------------+--------------------------------------+

# インスタンス用のセキュリティグループを作成

[cent@dlp ~(keystone)]$
openstack security group create secgroup01

+-----------------+-------------------------------------------------------------------------------+
| Field           | Value                                                                         |
+-----------------+-------------------------------------------------------------------------------+
| created_at      | 2019-10-25T05:20:14Z                                                          |
| description     | secgroup01                                                                    |
| id              | 01c09567-055e-41f0-b01a-9466186dbc80                                          |
| location        | cloud='', project.domain_id=, project.domain_name='default', project.id='67...|
| name            | secgroup01                                                                    |
| project_id      | 67b2b71cee384d69939e6b3963e0b2db                                              |
| revision_number | 1                                                                             |
| rules           | created_at='2019-10-25T05:20:14Z', direction='egress', ethertype='IPv4', id...|
|                 | created_at='2019-10-25T05:20:14Z', direction='egress', ethertype='IPv6', id...|
| tags            | []                                                                            |
| updated_at      | 2019-10-25T05:20:14Z                                                          |
+-----------------+-------------------------------------------------------------------------------+

[cent@dlp ~(keystone)]$
openstack security group list

+--------------------------------------+------------+------------------------+----------------------------------+------+
| ID                                   | Name       | Description            | Project                          | Tags |
+--------------------------------------+------------+------------------------+----------------------------------+------+
| 01c09567-055e-41f0-b01a-9466186dbc80 | secgroup01 | secgroup01             | 67b2b71cee384d69939e6b3963e0b2db | []   |
| 56c159ec-8ff6-4859-a27b-b919a415af8c | default    | Default security group | 67b2b71cee384d69939e6b3963e0b2db | []   |
+--------------------------------------+------------+------------------------+----------------------------------+------+

# インスタンス接続用の SSH キーペア作成

[cent@dlp ~(keystone)]$
ssh-keygen -q -N ""

Enter file in which to save the key (/home/cent/.ssh/id_rsa):
# 公開鍵登録

[cent@dlp ~(keystone)]$
openstack keypair create --public-key ~/.ssh/id_rsa.pub mykey

+-------------+-------------------------------------------------+
| Field       | Value                                           |
+-------------+-------------------------------------------------+
| fingerprint | d5:92:85:8b:8a:ae:8a:e7:9b:6e:a3:cc:eb:e7:1d:10 |
| name        | mykey                                           |
| user_id     | 14ad73cc98744e01a51886e13d541013                |
+-------------+-------------------------------------------------+

[cent@dlp ~(keystone)]$
openstack keypair list

+-------+-------------------------------------------------+
| Name  | Fingerprint                                     |
+-------+-------------------------------------------------+
| mykey | d5:92:85:8b:8a:ae:8a:e7:9b:6e:a3:cc:eb:e7:1d:10 |
+-------+-------------------------------------------------+

[cent@dlp ~(keystone)]$
netID=$(openstack network list | grep sharednet1 | awk '{ print $2 }')

# インスタンス作成・起動

[cent@dlp ~(keystone)]$
openstack server create --flavor m1.small --image CentOS7 --security-group secgroup01 --nic net-id=$netID --key-name mykey CentOS_7
+-----------------------------+------------------------------------------------+
| Field                       | Value                                          |
+-----------------------------+------------------------------------------------+
| OS-DCF:diskConfig           | MANUAL                                         |
| OS-EXT-AZ:availability_zone |                                                |
| OS-EXT-STS:power_state      | NOSTATE                                        |
| OS-EXT-STS:task_state       | scheduling                                     |
| OS-EXT-STS:vm_state         | building                                       |
| OS-SRV-USG:launched_at      | None                                           |
| OS-SRV-USG:terminated_at    | None                                           |
| accessIPv4                  |                                                |
| accessIPv6                  |                                                |
| addresses                   |                                                |
| adminPass                   | 9MQ7bXx29npr                                   |
| config_drive                |                                                |
| created                     | 2019-10-25T05:21:43Z                           |
| flavor                      | m1.small (0)                                   |
| hostId                      |                                                |
| id                          | 3c9b79b5-b97b-406d-93ed-9871f22eb38e           |
| image                       | CentOS7 (c742c8ed-9d0f-4555-9844-7f063a0b585f) |
| key_name                    | mykey                                          |
| name                        | CentOS_7                                       |
| progress                    | 0                                              |
| project_id                  | 67b2b71cee384d69939e6b3963e0b2db               |
| properties                  |                                                |
| security_groups             | name='01c09567-055e-41f0-b01a-9466186dbc80'    |
| status                      | BUILD                                          |
| updated                     | 2019-10-25T05:21:43Z                           |
| user_id                     | 14ad73cc98744e01a51886e13d541013               |
| volumes_attached            |                                                |
+-----------------------------+------------------------------------------------+

# 動作確認 (起動直後しばらくは [BUILD] ステータスとなっている)

[cent@dlp ~(keystone)]$
openstack server list

+--------------------------------------+----------+--------+----------+---------+----------+
| ID                                   | Name     | Status | Networks | Image   | Flavor   |
+--------------------------------------+----------+--------+----------+---------+----------+
| 3c9b79b5-b97b-406d-93ed-9871f22eb38e | CentOS_7 | BUILD  |          | CentOS7 | m1.small |
+--------------------------------------+----------+--------+----------+---------+----------+

# 正常に起動すると [ACTIVE] ステータスとなる

[cent@dlp ~(keystone)]$
openstack server list

+--------------------------------------+----------+--------+-----------------------+---------+----------+
| ID                                   | Name     | Status | Networks              | Image   | Flavor   |
+--------------------------------------+----------+--------+-----------------------+---------+----------+
| 3c9b79b5-b97b-406d-93ed-9871f22eb38e | CentOS_7 | ACTIVE | sharednet1=10.0.0.233 | CentOS7 | m1.small |
+--------------------------------------+----------+--------+-----------------------+---------+----------+
[2] 起動した仮想マシンインスタンスに SSH 接続できるように、先に作成したセキュリティグループにポート許可の設定を追加します。
# ICMP 許可

[cent@dlp ~(keystone)]$
openstack security group rule create --protocol icmp --ingress secgroup01

+-------------------+-----------------------------------------------------------------------------+
| Field             | Value                                                                       |
+-------------------+-----------------------------------------------------------------------------+
| created_at        | 2019-10-25T05:23:02Z                                                        |
| description       |                                                                             |
| direction         | ingress                                                                     |
| ether_type        | IPv4                                                                        |
| id                | a18174d5-d3e0-43af-b619-0d91edd555eb                                        |
| location          | cloud='', project.domain_id=, project.domain_name='default', project.id='...|
| name              | None                                                                        |
| port_range_max    | None                                                                        |
| port_range_min    | None                                                                        |
| project_id        | 67b2b71cee384d69939e6b3963e0b2db                                            |
| protocol          | icmp                                                                        |
| remote_group_id   | None                                                                        |
| remote_ip_prefix  | 0.0.0.0/0                                                                   |
| revision_number   | 0                                                                           |
| security_group_id | 01c09567-055e-41f0-b01a-9466186dbc80                                        |
| tags              | []                                                                          |
| updated_at        | 2019-10-25T05:23:02Z                                                        |
+-------------------+-----------------------------------------------------------------------------+

# SSH 許可

[cent@dlp ~(keystone)]$
openstack security group rule create --protocol tcp --dst-port 22:22 secgroup01

+-------------------+------------------------------------------------------------------------------+
| Field             | Value                                                                        |
+-------------------+------------------------------------------------------------------------------+
| created_at        | 2019-10-25T05:23:34Z                                                         |
| description       |                                                                              |
| direction         | ingress                                                                      |
| ether_type        | IPv4                                                                         |
| id                | 299768ac-b412-4f2a-ad78-e86b2428ed71                                         |
| location          | cloud='', project.domain_id=, project.domain_name='default', project.id='6...|
| name              | None                                                                         |
| port_range_max    | 22                                                                           |
| port_range_min    | 22                                                                           |
| project_id        | 67b2b71cee384d69939e6b3963e0b2db                                             |
| protocol          | tcp                                                                          |
| remote_group_id   | None                                                                         |
| remote_ip_prefix  | 0.0.0.0/0                                                                    |
| revision_number   | 0                                                                            |
| security_group_id | 01c09567-055e-41f0-b01a-9466186dbc80                                         |
| tags              | []                                                                           |
| updated_at        | 2019-10-25T05:23:34Z                                                         |
+-------------------+------------------------------------------------------------------------------+

[cent@dlp ~(keystone)]$
openstack security group rule list

+--------------------------------------+-------------+-----------+-----------+------------+--------------------------------------+--------------------------------------+
| ID                                   | IP Protocol | Ethertype | IP Range  | Port Range | Remote Security Group                | Security Group                       |
+--------------------------------------+-------------+-----------+-----------+------------+--------------------------------------+--------------------------------------+
| 13c7878c-cabd-413f-b8ec-09dc1b24b171 | None        | IPv6      | ::/0      |            | None                                 | 56c159ec-8ff6-4859-a27b-b919a415af8c |
| 175d58d2-5610-47b2-80b3-9c0565fc70d4 | None        | IPv4      | 0.0.0.0/0 |            | None                                 | 01c09567-055e-41f0-b01a-9466186dbc80 |
| 1c49618e-a2a0-462c-b96d-fa3a38e3f81e | None        | IPv4      | 0.0.0.0/0 |            | None                                 | 56c159ec-8ff6-4859-a27b-b919a415af8c |
| 299768ac-b412-4f2a-ad78-e86b2428ed71 | tcp         | IPv4      | 0.0.0.0/0 | 22:22      | None                                 | 01c09567-055e-41f0-b01a-9466186dbc80 |
| a18174d5-d3e0-43af-b619-0d91edd555eb | icmp        | IPv4      | 0.0.0.0/0 |            | None                                 | 01c09567-055e-41f0-b01a-9466186dbc80 |
| adc74741-2df4-4f2e-92a6-b0349573e12b | None        | IPv6      | ::/0      |            | 56c159ec-8ff6-4859-a27b-b919a415af8c | 56c159ec-8ff6-4859-a27b-b919a415af8c |
| eb6b34cf-c921-43d1-bc0a-8407aa2dd18e | None        | IPv4      | 0.0.0.0/0 |            | 56c159ec-8ff6-4859-a27b-b919a415af8c | 56c159ec-8ff6-4859-a27b-b919a415af8c |
| fb5bb278-2db1-41fd-8d4a-c36c36729e8a | None        | IPv6      | ::/0      |            | None                                 | 01c09567-055e-41f0-b01a-9466186dbc80 |
+--------------------------------------+-------------+-----------+-----------+------------+--------------------------------------+--------------------------------------+
[3] 起動した仮想マシンインスタンスに SSH ログインします。
[cent@dlp ~(keystone)]$
openstack server list

+--------------------------------------+----------+--------+-----------------------+---------+----------+
| ID                                   | Name     | Status | Networks              | Image   | Flavor   |
+--------------------------------------+----------+--------+-----------------------+---------+----------+
| 3c9b79b5-b97b-406d-93ed-9871f22eb38e | CentOS_7 | ACTIVE | sharednet1=10.0.0.233 | CentOS7 | m1.small |
+--------------------------------------+----------+--------+-----------------------+---------+----------+

# ping 応答が返ってくれば OK

[cent@dlp ~(keystone)]$
ping 10.0.0.233 -c3

PING 10.0.0.233 (10.0.0.233) 56(84) bytes of data.
64 bytes from 10.0.0.233: icmp_seq=1 ttl=64 time=0.607 ms
64 bytes from 10.0.0.233: icmp_seq=2 ttl=64 time=0.764 ms
64 bytes from 10.0.0.233: icmp_seq=3 ttl=64 time=0.490 ms

--- 10.0.0.233 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 0.490/0.620/0.764/0.114 ms

# SSH でログイン

[cent@dlp ~(keystone)]$
ssh centos@10.0.0.233
The authenticity of host '10.0.0.233 (10.0.0.233)' can't be established.
ECDSA key fingerprint is SHA256:8Mxh+vSFka75QgGaBO/RGWYnFNAOtdgw9q3OQv+QaJw.
ECDSA key fingerprint is MD5:7c:f3:35:bf:ab:01:d7:d0:98:a3:2b:2d:04:11:74:56.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '10.0.0.233' (ECDSA) to the list of known hosts.
[centos@centos-7 ~]$    
# ログインできた

[4] 一旦作成して起動した仮想マシンインスタンスを停止/起動する場合は、以下のように start/stop コマンドで制御できます。
[cent@dlp ~(keystone)]$
openstack server list

+--------------------------------------+----------+--------+-----------------------+---------+----------+
| ID                                   | Name     | Status | Networks              | Image   | Flavor   |
+--------------------------------------+----------+--------+-----------------------+---------+----------+
| 3c9b79b5-b97b-406d-93ed-9871f22eb38e | CentOS_7 | ACTIVE | sharednet1=10.0.0.233 | CentOS7 | m1.small |
+--------------------------------------+----------+--------+-----------------------+---------+----------+

# インスタンス停止

[cent@dlp ~(keystone)]$
openstack server stop CentOS_7

[cent@dlp ~(keystone)]$
openstack server list

+--------------------------------------+----------+---------+-----------------------+---------+----------+
| ID                                   | Name     | Status  | Networks              | Image   | Flavor   |
+--------------------------------------+----------+---------+-----------------------+---------+----------+
| 3c9b79b5-b97b-406d-93ed-9871f22eb38e | CentOS_7 | SHUTOFF | sharednet1=10.0.0.233 | CentOS7 | m1.small |
+--------------------------------------+----------+---------+-----------------------+---------+----------+

# インスタンスを起動する

[cent@dlp ~(keystone)]$
openstack server start CentOS_7

[cent@dlp ~(keystone)]$
openstack server list

+--------------------------------------+----------+--------+-----------------------+---------+----------+
| ID                                   | Name     | Status | Networks              | Image   | Flavor   |
+--------------------------------------+----------+--------+-----------------------+---------+----------+
| 3c9b79b5-b97b-406d-93ed-9871f22eb38e | CentOS_7 | ACTIVE | sharednet1=10.0.0.233 | CentOS7 | m1.small |
+--------------------------------------+----------+--------+-----------------------+---------+----------+
[5] VNC コンソールを取得して Web ブラウザでのアクセスも可能です。
[cent@dlp ~(keystone)]$
openstack server list

+--------------------------------------+----------+--------+-----------------------+---------+----------+
| ID                                   | Name     | Status | Networks              | Image   | Flavor   |
+--------------------------------------+----------+--------+-----------------------+---------+----------+
| 3c9b79b5-b97b-406d-93ed-9871f22eb38e | CentOS_7 | ACTIVE | sharednet1=10.0.0.233 | CentOS7 | m1.small |
+--------------------------------------+----------+--------+-----------------------+---------+----------+

[cent@dlp ~(keystone)]$
openstack console url show CentOS_7

+-------+------------------------------------------------------------------------------------------+
| Field | Value                                                                                    |
+-------+------------------------------------------------------------------------------------------+
| type  | novnc                                                                                    |
| url   | http://10.0.0.30:6080/vnc_auto.html?path=%3Ftoken%3D2b431b69-c9b5-41aa-8672-6e0b6615db52 |
+-------+------------------------------------------------------------------------------------------+
[6] 上記コマンドで表示された URL に Web アクセスすると、インスタンスに接続され、操作が可能となります。
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